The Freedictionary give the definition of nominal scale as "statistics a discrete classification of data, in which data are neither measured nor ordered but subjects are merely allocated to distinct categories: for example, a record of students' course choices constitutes nominal data which could be correlated with school results."
- It is the lowest measurement that researchers can use.
-place data into categories with no order or structure.
-YES/NO scale.( no order & distance between Yes/No )
statistics:
The statistics which can be used with nominal scales are in the non-parametric group:
